EMB_INIT_RANGE = 1.0

PAD_TOKEN = '<PAD>'
PAD_ID = 0
UNK_TOKEN = '<UNK>'
UNK_ID = 1
SEP_TOKEN = '<SEP>'
SEP_ID = 2
SOS_TOKEN = '<SOS>'
SOS_ID = 3
EOS_TOKEN = '<EOS>'
EOS_ID = 4

VOCAB_PREFIX = [PAD_TOKEN, UNK_TOKEN, SEP_TOKEN, SOS_TOKEN, EOS_TOKEN]

INFINITY_NUMBER = 1e12
SMALL_NUMBER = 1e-12
